WestCasino. Betsson Spain. Betsson Spain. Drive: Multiplier Mayhem is a 5-reel, line online slot game with bonus 1xBet. Drive: Multiplier Mayhem is a 5-reel, line online slot game with bonus 1xBet. betboo Brazil. Casino Spain. NetEnt's Chief Product Officer, Simon Hammon, explained: “With bustling bet lines, NetEnt's Drive: Multiplier Mayhem is a thrilling video slot. betboo Brazil. Casino Spain. Royal Casino. WestCasino. Royal Casino. . NetEnt's Chief Product Officer, Simon Hammon, explained: “With bustling bet lines, NetEnt's Drive: Multiplier Mayhem is a thrilling video slot.